Before 1986

Hannoversche Maschinenbau AG was founded in 1835 by Mr Georg Egestorff. The production range was varied, ranging from locomotives, tractors, construction vehicles to racing cars.

1986

Spin-off of Hanomag AG's Industrial Hardening Plant. Founding of Hanomag Lohnhärterei GmbH.

1992

Founding of Hanomag Härtol Lohnhärterei GmbH - Berlin branch.

1995

Founding of Hanomag Härtol Lohnhärterei GmbH - Gommern branch.

1998

Founding of Hanomag Härtol Lohnhärterei GmbH - Gevelsberg branch and Hanomag Härtol Lohnhärterei GmbH - Wernigerode branch.

2004

Hanomag Lohnhärterei GmbH and Hanomag Härtecenter GmbH newly constructed in Hanover - Marienwerder.

2006

Group certification of all sites according to DIN ISO TS 16949:2002.

2009

Introduction of environmental management according to DIN ISO 14001:2004.

2010

The Hanomag Lohnhärterei Group obtains the patent for low-pressure carburising.

2013

Introduction of energy management according to DIN ISO 5001:2011.

2015

Foundation of Hanomag Heat Treatment International Sp. z.o.o. - Poznan branch (Poland).

2018

Acquisition of Herbst Zerspanungs- und Messtechnik GmbH - Hildesheim branch.

2021

Hanomag Aluminium Solutions GmbH is founded with production sites in Kassel and Baunatal.